分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Gobiiformes (Gobies)
鱸形目 (Gobies) >
Gobiidae (Gobies)
鰕虎魚科 (Gobies) > Gobionellinae
Etymology: Gymnogobius: Greek, gymnos = naked + Latin, gobius = gudgeon (Ref. 45335).
More on author: Tanaka.
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 大洋性; 非遷移的. 溫帶
Asia: endemic to Lake Biwa, Japan. Introduced to Lakes Kasumigaura and Sagami.
亞洲: 琵琶湖，日本的特有種。 引進了湖 Kasumigaura 與相模。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 7.0 cm SL 雄魚/尚未辨別雌雄; (Ref. 43239)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
背棘 (總數) : 7; 背的軟條 (總數) : 10; 臀棘: 1; 臀鰭軟條: 10.
Inhabit offshore areas in the lake almost throughout the year (Ref. 76915). Spawn in spring (Ref. 76915). Semelparous (Ref. 76911). Males care for the eggs in nest (Ref. 76913). Caught for food (Ref. 559).
被抓來當食物。
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚
Migrate to the shore to spawn under stones in spring (Ref. 76915). Males have only two brood cycles, mating with the same female during each breeding cycle (Ref. 76915).亞洲: 琵琶湖，日本的特有種。 引進了湖 Kasumigaura 與相模。
Nakabo, T., 2002. Fishes of Japan with pictorial keys to the species, English edition II. Tokai University Press, Japan, pp 867-1749. (Ref. 43239)
IUCN 瀕危狀態 (Ref. 130435)
瀕危 (EN) (B1ab(iii)); Date assessed: 07 December 2017
人類使用
漁業: 低經濟
工具
特別的報告
下載 XML
網路資源
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00832 (0.00721 - 0.00960), b=3.07 (3.03 - 3.11), in cm total length, based on LWR estimates for this species (Ref.
93245).
營養階層 (Ref.
69278): 3.1 ±0.3 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 高度, 族群倍增時間少於 15個月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
